From: Tom Rini <trini@kernel.crashing.org>
To: Paul Mackerras <paulus@samba.org>
Cc: Pantelis Antoniou <panto@intracom.gr>,
Dan Malek <dan@embeddededge.com>,
Linuxppc-Embedded <linuxppc-embedded@lists.linuxppc.org>
Subject: Re: 2.6-7-rc1 8xx - No go
Date: Fri, 28 May 2004 16:43:13 -0700 [thread overview]
Message-ID: <20040528234313.GY6763@smtp.west.cox.net> (raw)
In-Reply-To: <16567.51701.749266.450133@cargo.ozlabs.ibm.com>
On Sat, May 29, 2004 at 09:23:33AM +1000, Paul Mackerras wrote:
> Pantelis Antoniou writes:
>
> > I'm reporting that my tree, after updating from 2.6.6 -> 2.6.7-rc1
> > does not work any more.
>
> You probably need this patch. I changed things a bit so that we get
> the full registers set dumped on an oops due to a bad address in the
> kernel.
>
> Paul.
>
> diff -urN linuxppc-2.5/arch/ppc/kernel/head_8xx.S pmac-2.5/arch/ppc/kernel/head_8xx.S
> --- linuxppc-2.5/arch/ppc/kernel/head_8xx.S 2004-05-25 21:48:41.000000000 +1000
> +++ pmac-2.5/arch/ppc/kernel/head_8xx.S 2004-05-29 09:22:18.828955856 +1000
> @@ -228,9 +228,7 @@
> stw r10,_DSISR(r11)
> mr r5,r10
> mfspr r4,DAR
> - stw r4,_DAR(r11)
> - addi r3,r1,STACK_FRAME_OVERHEAD
> - EXC_XFER_EE_LITE(0x300, do_page_fault)
> + EXC_XFER_EE_LITE(0x300, handle_page_fault)
>
> /* Instruction access exception.
> * This is "never generated" by the MPC8xx. We jump to it for other
> @@ -242,7 +240,7 @@
> addi r3,r1,STACK_FRAME_OVERHEAD
> mr r4,r12
> mr r5,r9
> - EXC_XFER_EE_LITE(0x400, do_page_fault)
> + EXC_XFER_EE_LITE(0x400, handle_page_fault)
>
> /* External interrupt */
> EXCEPTION(0x500, HardwareInterrupt, do_IRQ, EXC_XFER_LITE)
It actually needs to remove that 'addi' as well. We found that ~30
minutes ago.
--
Tom Rini
http://gate.crashing.org/~trini/
** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2004-05-28 23:43 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-05-28 8:40 2.6-7-rc1 8xx - No go Pantelis Antoniou
2004-05-28 10:17 ` Pantelis Antoniou
2004-05-28 11:38 ` rdiz
2004-05-28 12:16 ` Robert P. J. Day
2004-05-28 12:59 ` Pantelis Antoniou
2004-05-28 12:24 ` Pantelis Antoniou
2004-05-28 12:38 ` RTC no longer exist on the 866/87x/88x David Ho
2004-05-28 12:45 ` Pantelis Antoniou
2004-05-28 13:29 ` Mark Chambers
2004-05-28 23:23 ` 2.6-7-rc1 8xx - No go Paul Mackerras
2004-05-28 23:43 ` Tom Rini [this message]
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